Company lists · Data refreshed September 2026

Top 25 IT support services companies worldwide

Name: IT support services companies worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 20, 2026 39,434 companies tracked

RevenueBase identified 39,434 company matches for IT support services companies worldwide as of September 2026 and tracks 299,639 professional contacts across them, including 66,399 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for IT support services companies worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 20, 2026. Country and city lists for IT support services companies follow the table.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 20, 2026 How this list was built

39,434Companies

299,639Contacts tracked

66,399Verified emails

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The 25 largest IT support services companies worldwide

Ranked by team size

Top 25 of 39,434 company matches for IT support services companies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 20, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Computer	Exact match	United StatesHQ recorded Sep 20, 2026	n/a	3,107 contacts →
	Exact match “Providing custom IT consuting services to small / medium businesses and residential.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
2	Pomeroy	Exact match	Hebron, KY, PalestineHQ recorded Sep 20, 2026	1,001-5,000	2,447 contacts →
	Exact match “Technology is mission-critical to your business so it must work, continuously.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
3	CTIS	Exact match	Barueri, BrazilHQ recorded Sep 20, 2026	5,001-10,000	2,347 contacts →
	Exact match “CTIS, a SONDA Group company, is recognized as one of the largest and most important Brazilian information technology companies.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
4	Aforeserve.com LTD	Exact match	Noida, IndiaHQ recorded Sep 20, 2026	1,001-5,000	2,133 contacts →
	Exact match “Aforeserve delivers IT infrastructure services, field support, and managed operations for enterprises across India.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
5	TRT	Exact match	Singapore, GermanyHQ recorded Sep 20, 2026	n/a	2,037 contacts →
	Exact match “TRT is a Global Provider of IT Server, Storage and Networking Services.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
6	Long View Systems	Exact match	Calgary, AB, CanadaHQ recorded Sep 20, 2026	1,001-5,000	1,170 contacts →
	Exact match “At Long View, we believe technology should empower people, strengthen organizations, and drive meaningful outcomes.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
7	TCM	Exact match	Sandton, South AfricaHQ recorded Sep 20, 2026	1,001-5,000	1,081 contacts →
	Exact match “Established in 1987, TCM possesses the expertise, experience and agility to meet customers' IT requirements and adapt in an ever-changing economic and corporate climate, through…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
8	Trends & Technologies, INC	Exact match	Makati City, PhilippinesHQ recorded Sep 20, 2026	501-1,000	1,067 contacts →
	Exact match “Trends empowers our clients with technology-enabled business services allowing them to transcend.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
9	Solugenix	Exact match	Brea, CA, United StatesHQ recorded Sep 20, 2026	1,001-5,000	1,063 contacts →
	Exact match “Technology only matters when it helps the business run better.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
10	Kibernum	Exact match	Santiago, ChileHQ recorded Sep 20, 2026	1,001-5,000	1,053 contacts →
	Exact match “We are the leading company nationwide in support services for technological projects, which are developed through our 4 Business Units: IT People, Software Engineering, BPO and…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
11	NSC Global	Exact match	London, United KingdomHQ recorded Sep 20, 2026	1,001-5,000	1,039 contacts →
	Exact match “Global business doesn’t have to be complicated.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
12	CCB Technology	Exact match	Racine, WI, United StatesHQ recorded Sep 20, 2026	n/a	1,018 contacts →
	Exact match “CCB Technology provides award-winning IT support and project services to customers nationwide.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
13	Ilha Service Tecnologia Ltda	Exact match	São José, BrazilHQ recorded Sep 20, 2026	1,001-5,000	985 contacts →
	Exact match “Atuante no mercado de Tecnologia desde o ano de 1991, com certificação ISO 9001 para prestação de serviços de TI e fabricação de computadores, a IlhaService é uma empresa…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
14	Proxxi Tecnologia	Exact match	Sao Paulo, BrazilHQ recorded Sep 20, 2026	1,001-5,000	953 contacts →
	Exact match “A Proxxi Tecnologia é uma empresa que nasceu de uma parceria firmada, em dezembro de 2014, entre a IBM Brasil e o Grupo Bradesco, pela qual a IBM adquiriu o negócio de prestação…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
15	IND Corporation	Exact match	Whippany, NJ, United StatesHQ recorded Sep 20, 2026	n/a	871 contacts →
	Exact match “IND specializes in fixed-cost IT support and consulting services for small and medium-sized businesses in New Jersey.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
16	Buchanan Technologies	Exact match	Grapevine, TX, United StatesHQ recorded Sep 20, 2026	501-1,000	818 contacts →
	Exact match “As a leading IT consulting and outsourcing services firm, Buchanan Technologies helps organizations across North America turn their business technology into a powerful competitive…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
17	Kaizen IT Services Pvt. LTD	Exact match	Kolkata, IndiaHQ recorded Sep 20, 2026	501-1,000	807 contacts →
	Exact match “Kaizen is a premier IT Services company headquartered in Kolkata and having its presence in Pan India with 750 Plus Touch Points.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
18	Apptix	Exact match	New York, NY, United StatesHQ recorded Sep 20, 2026	n/a	762 contacts →
	Exact match “Apptix was acquired by Fusion Connect in 2016.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
19	TPX	Exact match	Austin, TX, United StatesHQ recorded Sep 20, 2026	1,001-5,000	751 contacts →
	Exact match “TPx is the reliable sidekick every growing business deserves, powering your tech while you take the lead.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
20	Vertere Global Solutions, INC	Exact match	Makati, PhilippinesHQ recorded Sep 20, 2026	501-1,000	719 contacts →
	Exact match “We unite talent and opportunity.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
21	Worldwide Techservices	Exact match	Tewksbury, MA, United StatesHQ recorded Sep 20, 2026	1,001-5,000	717 contacts →
	Exact match “Our worldwide team of over technicians service more than 3 million desktops, laptops, printers, servers, networks, satellites and LCDs each year in more than 50 countries.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
22	Teamlogic IT	Exact match	United StatesHQ recorded Sep 20, 2026	1,001-5,000	656 contacts →
	Exact match “TeamLogic IT provides IT service, support, project consultation and account management for businesses.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
23	Ciber Global	Exact match	Troy, MI, United StatesHQ recorded Sep 20, 2026	5,001-10,000	646 contacts →
	Exact match “Ciber Global is now HTC Global Services with effect from November 30, 2021.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
24	Scsk Corporation	Exact match	Tokyo, JapanHQ recorded Sep 20, 2026	5,001-10,000	626 contacts →
	Exact match “Providing I T Services That Anticipate Client Needs and Become Optimal Solutions We want to deliver faster, more accurate, and more in-depth IT services as demanded by business.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
25	Decisionone	Exact match	Havertown, PA, United StatesHQ recorded Sep 20, 2026	501-1,000	623 contacts →
	Exact match “DecisionOne is the largest global independent technology support organization in the TPM and ISO markets.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “IT support services companies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 39,434 IT support services companies worldwide

See the full list, filter by size, metro and specialty, and access 66,399 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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IT support services companies worldwide at a glance

As of Sep 20, 2026

22.2%Verified-email coverage

7.6Average contacts per company

1-10Median size (employees)

1.8%Largest-city concentration · London

Sep 20, 2026Page data refreshed

Companies by employee count

1-10

27,006

11-50

9,571

51-200

1,893

201-500

448

501-1,000

118

1,001-5,000

5,001-10,000

10001+

Email recency is reported on each country list linked below.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
Coverage: Every country. Country and city lists for IT support services companies are linked below.
What qualifies: Company records worldwide whose business descriptions match “IT support services companies” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch: Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview: The public preview omits records without a verified work email. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality: RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking: Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification: Every displayed company carries at least one verified work email. RevenueBase tracks 66,399 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh: This page's figures were pulled from the company graph on September 20, 2026. Lists refresh periodically as the graph is re-checked.
Record context: Company records and descriptions can change. Check the company's website for its current services and locations.

IT support services companies by location

141 lists · largest first

Every IT support services companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “IT support services companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many IT support services companies are there worldwide?

RevenueBase identified 39,434 company matches for IT support services companies worldwide as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Computer tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most IT support services companies?

The United States leads with 9,674 companies, followed by the United Kingdom (3,726) and India (2,235). Every IT support services companies list by country and city is linked on this page.

Which city has the most IT support services companies?

London leads with 716 company records, followed by Sao Paulo (386) and New York (244).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 66,399 professional contacts with verified work emails tracked across these 39,434 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 20, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.